Email Address Cloaking Example
Email address cloaking is a way to present email addresses while making them harder for spammers to harvest.
Create a file called "email_to_image.php" with the following code:
<?php
// Tell the browser you're sending an image
Header("Content-Type: image/png");
// Grab the email from your form.
$email = $_REQUEST['email'];
// Create a thin, wide image.
$im = ImageCreate(800, 20);
// Use black text on white background
$backgroundcolor = ImageColorAllocate($im, 255, 255, 255);
$textcolor = ImageColorAllocate($im, 0, 0, 0);
// Fill with backgroundcolor
ImageFill($im, 0, 0, $backgroundcolor);
// Write out the string
ImageString($im, 5, 5, 3, $email, $textcolor);
// output straight to browser.
ImagePNG($im);
ImageDestroy($im);
?>
Then from the just call email_to_image with the email address you want. This example is in a form within a table:
<tr>
<td><div align="right">Verification Code:</div></td>
<td><img src="email_to_image.php?email=bill.gates@microsoft.com"
align="left" alt="email" /></td>
</tr>